Ben Shertzer, wildlife administrator at Pittsburgh International Airport, has hustled deer off the airfield, removed ducks from the airport’s retention basin, and escorted wayward raccoons from various terminal buildings. But in August 2012, when thousands of honeybees landed on the winglets of a Delta aircraft headed to New York, interrupting refueling and baggage loading, he turned to master beekeeper Steve Repasky and said, “This one’s all you. I’ll stay in the truck.”It was the fourth swarm Shertzer had confronted in the last few months. In May, roughly 15,000 bees had obscured a light...…Ben Shertzer, wildlife administrator at Pittsburgh International Airport, has hustled deer off the airfield, removed ducks from the airport’s retention basin, and escorted wayward raccoons from various terminal buildings. But in August 2012, when thousands of honeybees landed on the winglets of a Delta aircraft headed to New York, interrupting refueling and baggage loading, he turned to master beekeeper Steve Repasky and said, “This one’s all you. I’ll stay in the truck.”It was the fourth swarm Shertzer had confronted in the last few months. In May, roughly 15,000 bees had obscured a light...WW…